<div class="project_wrap col-md-3 col-sm-4 col-xs-12">
    <h3 class="bottom_title">dự án</h3>
    <div class="bottom_content">
        <?php wp_nav_menu(array(
            'theme_location'=>'project_nav',
            'depth'=>'1',
            'container'=>'',
            'menu_class'=>'support_menu',
            'walker'=>new twitter_bootstrap_nav_walker()));
        ?>
    </div>
</div>